因此，从出版的概念界定出发，本文认为出版史就是书报刊的印刷、发行历史。

Therefore, from the definition of the concept of the publication this paper means publishing history is the history of the printing and distribution newspapers and periodicals.

用饭时要精神集中，有些小同学在用饭时看电视机或看图书报刊，这是不良的习气，既不卫生，又影响食品的消化吸收，还会损伤视力。

Meals to concentrate, some students in a small meal to watch television or read newspaper, this is the bad habits, not health, affects digestion and absorption of food, but also damage eyesight.